using System.Collections.Generic;
using System.Diagnostics;
using UnityEngine;

namespace CTS
{
	public static class CTSShaders
	{
		private static Dictionary<string, Shader> m_shaderLookup;

		static CTSShaders()
		{
			m_shaderLookup = new Dictionary<string, Shader>();
			Stopwatch stopwatch = Stopwatch.StartNew();
			foreach (KeyValuePair<CTSShaderCriteria, string> shaderName in CTSConstants.shaderNames)
			{
				Shader shader = Shader.Find(shaderName.Value);
				if (shader != null)
				{
					m_shaderLookup.Add(shaderName.Value, shader);
				}
			}
			_ = stopwatch.ElapsedMilliseconds;
			_ = 0;
		}

		public static Shader GetShader(string shaderType)
		{
			if (m_shaderLookup.TryGetValue(shaderType, out var value))
			{
				return value;
			}
			UnityEngine.Debug.LogErrorFormat("Could not load CTS shader : {0}. Make sure you add your CTS shader to pre-loaded assets!", shaderType);
			return null;
		}
	}
}